From 35a39b8d8fd0856564d8b0f28962c6c752cac7ca Mon Sep 17 00:00:00 2001
From: Benoit Blanchon <git@benoitblanchon.fr>
Date: Tue, 4 Aug 2020 09:52:42 +0200
Subject: [PATCH] Fixed `deserializeJson()` that stopped reading after `{}`
 (fixes #1335)

---
 CHANGELOG.md                              | 5 +++++
 extras/tests/JsonDeserializer/object.cpp  | 6 ++++++
 src/ArduinoJson/Json/JsonDeserializer.hpp | 6 ++----
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 330d8380..2772c645 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 ArduinoJson: change log
 =======================
 
+HEAD
+----
+
+* Fixed `deserializeJson()` that stopped reading after `{}` (issue #1335)
+
 v6.16.0 (2020-08-01)
 -------
 
diff --git a/extras/tests/JsonDeserializer/object.cpp b/extras/tests/JsonDeserializer/object.cpp
index d6981d41..61d8fc3d 100644
--- a/extras/tests/JsonDeserializer/object.cpp
+++ b/extras/tests/JsonDeserializer/object.cpp
@@ -290,4 +290,10 @@ TEST_CASE("deserialize JSON object") {
     REQUIRE(obj.size() == 0);
     REQUIRE(doc.memoryUsage() == JSON_OBJECT_SIZE(0));
   }
+
+  SECTION("Issue #1335") {
+    std::string json("{\"a\":{},\"b\":{}}");
+    deserializeJson(doc, json);
+    CHECK(doc.as<std::string>() == json);
+  }
 }
diff --git a/src/ArduinoJson/Json/JsonDeserializer.hpp b/src/ArduinoJson/Json/JsonDeserializer.hpp
index ef5ab06d..16094a08 100644
--- a/src/ArduinoJson/Json/JsonDeserializer.hpp
+++ b/src/ArduinoJson/Json/JsonDeserializer.hpp
@@ -213,10 +213,8 @@ class JsonDeserializer {
       return false;
 
     // Empty object?
-    if (eat('}')) {
-      _error = DeserializationError::Ok;
-      return false;
-    }
+    if (eat('}'))
+      return true;
 
     // Read each key value pair
     for (;;) {